#include <cstdio>
#include <vector>

using namespace std;
const int Nmax = 100005;
int N,M,daddy[ Nmax ];

inline int whos_ur_daddy(int nodc)
{
    if(daddy[nodc]!=nodc)
        return whos_ur_daddy(daddy[nodc]);
    return nodc;
}

int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);

    scanf("%d%d",&N,&M);
    for(int i=1;i<=N;++i)daddy[i]=i;

    int type,a,b;

    while(M--)
    {
        scanf("%d%d%d",&type,&a,&b);
        if(type == 1)
        {
            daddy[a] = whos_ur_daddy(a);
            daddy[b] = daddy[a];
        }
        else if( whos_ur_daddy(a)==whos_ur_daddy(b))
            printf("DA\n");
        else printf("NU\n");
    }

    return 0;
}